This sort of happened in Australia. A high profile military veteran was accused of war crimes based on whistleblower documents. He sued the news org and the reporters.

Witnesses were heard, documents scrutinized. The whole thing was thrown away. Appeals were dismissed. And a couple years later he was arrested for allegations of war crimes.

The Act of Killing

That was one of the toughest movies to watch. It’s been more than a decade, and I still can’t bring myself to watch the follow-up.